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[BitCode] Diagnose GEPs with no indices

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llvm-svn: 271849
This commit is contained in:
Filipe Cabecinhas 2016-06-05 18:43:26 +00:00
parent cb52965257
commit 06c97ab46d
3 changed files with 8 additions and 0 deletions
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3
lib/Bitcode/Reader/BitcodeReader.cpp
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@ -3090,6 +3090,9 @@ std::error_code BitcodeReader::parseConstants() {
return error("Explicit gep operator type does not match pointee type "
"of pointer operand");
if (Elts.size() < 1)
return error("Invalid gep with no operands");
ArrayRef<Constant *> Indices(Elts.begin() + 1, Elts.end());
V = ConstantExpr::getGetElementPtr(PointeeType, Elts[0], Indices,
BitCode ==

BIN
test/Bitcode/Inputs/invalid-gep-no-operands.bc Normal file
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5
test/Bitcode/invalid.test
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@ -217,3 +217,8 @@ RUN: not llvm-dis -disable-output %p/Inputs/invalid-void-constant.bc 2>&1 | \
RUN: FileCheck --check-prefix=VOID-CONSTANT-TYPE %s
VOID-CONSTANT-TYPE: Invalid constant type
RUN: not llvm-dis -disable-output %p/Inputs/invalid-gep-no-operands.bc 2>&1 | \
RUN: FileCheck --check-prefix=GEP-NO-OPERANDS %s
GEP-NO-OPERANDS: Invalid gep with no operands